num01=4
num02=5
print(num01<9 or num02>10 or num02<3 or num01<4)
print(num01<9 and num02>10 and num02<3 and num01<4)
# python中逻辑运算符的优先级（）---->not----->and---->or
print(num01<9 or num02>10 and num02<3 and num01<4)